64225422 has 24 divisors (see below), whose sum is σ = 147341376. Its totient is φ = 20149056.

The previous prime is 64225417. The next prime is 64225429. The reversal of 64225422 is 22452246.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64225429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104638 + ... + 105249.

It is an arithmetic number, because the mean of its divisors is an integer number (6139224).

Almost surely, 2^64225422 is an apocalyptic number.

64225422 is an abundant number, since it is smaller than the sum of its proper divisors (83115954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64225422 is a wasteful number, since it uses less digits than its factorization.

64225422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209912 (or 209909 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 64225422 is about 8014.0764907755. The cubic root of 64225422 is about 400.4690788642.

Adding to 64225422 its reverse (22452246), we get a palindrome (86677668).

The spelling of 64225422 in words is "sixty-four million, two hundred twenty-five thousand, four hundred twenty-two".